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api.go
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package api
import (
"archive/tar"
"archive/zip"
"bytes"
"context"
"crypto/md5"
"crypto/tls"
"encoding/hex"
"encoding/json"
"encoding/xml"
"fmt"
"html/template"
"image"
"image/color"
_ "image/gif"
_ "image/jpeg"
_ "image/png"
"io"
"io/ioutil"
"net/http"
"net/smtp"
"net/url"
gourl "net/url"
"os"
"os/exec"
gouser "os/user"
"path"
"path/filepath"
"regexp"
"sort"
"strconv"
"strings"
"syscall"
"time"
"github.com/bluele/gcache"
reva_api "github.com/cernbox/revaold/api"
"github.com/cernbox/revaold/api/canary"
"github.com/cernbox/revaold/api/office_engine"
"github.com/cernbox/revaold/api/otg"
"github.com/cernbox/revaold/ocproxy/api/static"
"github.com/disintegration/imaging"
"github.com/gofrs/uuid"
"github.com/gorilla/mux"
"github.com/pkg/errors"
"github.com/rwcarlsen/goexif/exif"
"go.uber.org/zap"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
var shareIDRegexp = regexp.MustCompile(`\(id:.+\)$`)
func (p *proxy) registerRoutes() {
// route for checking canary status.
p.router.HandleFunc("/index.php/apps/canary", p.tokenAuth(p.canary)).Methods("GET")
p.router.HandleFunc("/index.php/apps/canary", p.tokenAuth(p.canarySet)).Methods("POST")
p.router.HandleFunc("/reset", p.canaryReset).Methods("GET") // NEEDS TO BE PROTECTED BY THE SSO
p.router.HandleFunc("/status.php", p.status).Methods("GET")
p.router.HandleFunc("/ocs/v1.php/cloud/capabilities", p.capabilities).Methods("GET")
p.router.HandleFunc("/ocs/v2.php/cloud/capabilities", p.capabilities2).Methods("GET")
p.router.HandleFunc("/ocs/v1.php/cloud/activity", p.activity).Methods("GET")
p.router.HandleFunc("/ocs/v2.php/cloud/activity", p.activity).Methods("GET")
p.router.HandleFunc("/index.php/ocs/cloud/user", p.tokenAuth(p.getCurrentUser)).Methods("GET")
p.router.HandleFunc("/ocs/v1.php/cloud/user", p.tokenAuthPopup(p.getCurrentUser)).Methods("GET")
p.router.HandleFunc("/ocs/v2.php/cloud/user", p.tokenAuthPopup(p.getCurrentUser)).Methods("GET")
// user prefixed webdav routes
p.router.HandleFunc("/remote.php/dav/files", p.tokenAuthPopup(p.get)).Methods("GET") //for iOS app auth
p.router.HandleFunc("/remote.php/dav/files{r:\\/?}", p.tokenAuthPopup(p.propfindDav)).Methods("PROPFIND") //for Android app auth; optional trailing / for iOS
p.router.HandleFunc("/remote.php/dav/files/{username}", p.tokenAuthPopup(p.propfindDav)).Methods("PROPFIND") //optional trailing / for Android
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.get)).Methods("GET")
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.put)).Methods("PUT")
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.options)).Methods("OPTIONS")
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.lock)).Methods("LOCK")
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.unlock)).Methods("UNLOCK")
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.head)).Methods("HEAD")
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.mkcol)).Methods("MKCOL")
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.proppatch)).Methods("PROPPATCH")
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.propfindDav)).Methods("PROPFIND")
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.delete)).Methods("DELETE")
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuthPopup(p.move)).Methods("MOVE")
// new chunking routes
//p.router.HandleFunc("/remote.php/dav/uploads/{username}/{uploadid}/.file}", p.tokenAuth(p.moveNG)).Methods("MOVE")
p.router.HandleFunc("/remote.php/dav/uploads/{username}/{uploadid}/{chunkoffset}", p.tokenAuth(p.putOrMoveNG)).Methods("PUT", "MOVE")
p.router.HandleFunc("/remote.php/dav/uploads/{username}/{uploadid}", p.tokenAuth(p.mkcolNG)).Methods("MKCOL")
p.router.HandleFunc("/remote.php/dav/uploads/{username}/{uploadid}", p.tokenAuth(p.propfindNG)).Methods("PROPFIND")
// user-relative routes
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.get)).Methods("GET")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.put)).Methods("PUT")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.options)).Methods("OPTIONS")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.lock)).Methods("LOCK")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.unlock)).Methods("UNLOCK")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.head)).Methods("HEAD")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.mkcol)).Methods("MKCOL")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.proppatch)).Methods("PROPPATCH")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.propfind)).Methods("PROPFIND")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.delete)).Methods("DELETE")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.move)).Methods("MOVE")
// favorites routes
p.router.HandleFunc("/remote.php/dav/files/{username}/{path:.*}", p.tokenAuth(p.getFav)).Methods("REPORT")
p.router.HandleFunc("/remote.php/webdav{path:.*}", p.tokenAuth(p.getFav)).Methods("REPORT")
p.router.HandleFunc("/index.php/apps/files/api/v1/files/{path:.*}", p.tokenAuth(p.modifyFav)).Methods("POST")
// public link webdav access
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.get)).Methods("GET")
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.put)).Methods("PUT")
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.options)).Methods("OPTIONS")
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.lock)).Methods("LOCK")
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.unlock)).Methods("UNLOCK")
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.head)).Methods("HEAD")
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.mkcol)).Methods("MKCOL")
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.proppatch)).Methods("PROPPATCH")
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.propfind)).Methods("PROPFIND")
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.delete)).Methods("DELETE")
p.router.HandleFunc("/public.php/webdav{path:.*}", p.tokenAuth(p.move)).Methods("MOVE")
// gallery app routes
p.router.HandleFunc("/index.php/apps/gallery/config.public", p.getGalleryConfig).Methods("GET")
p.router.HandleFunc("/index.php/apps/gallery/config", p.getGalleryConfig).Methods("GET")
p.router.HandleFunc("/index.php/apps/gallery/preview/{path:.*}", p.tokenAuth(p.getGalleryPreview)).Methods("GET")
p.router.HandleFunc("/index.php/apps/gallery/preview.public/{path:.*}", p.tokenAuth(p.getGalleryPreview)).Methods("GET")
// other thumbnail routes for example used by the Android mobile client.
// index.php/apps/files/api/v1/thumbnail/448/448/bmw/IMG_20190921_095922.jpg
// we can reuse the get requests for previews
p.router.HandleFunc("/index.php/apps/files/api/v1/thumbnail/{w}/{h}/{path:.*}", p.tokenAuth(p.getGalleryPreview)).Methods("GET")
// requests targeting a file/folder
p.router.HandleFunc("/ocs/v2.php/apps/files_sharing/api/v1/shares", p.tokenAuth(p.getShares)).Methods("GET")
p.router.HandleFunc("/ocs/v2.php/apps/files_sharing/api/v1/shares", p.tokenAuth(p.createShare)).Methods("POST")
p.router.HandleFunc("/ocs/v2.php/apps/files_sharing/api/v1/shares/{share_id}", p.tokenAuth(p.getShare)).Methods("GET")
p.router.HandleFunc("/ocs/v2.php/apps/files_sharing/api/v1/shares/{share_id}", p.tokenAuth(p.deleteShare)).Methods("DELETE")
p.router.HandleFunc("/ocs/v2.php/apps/files_sharing/api/v1/shares/{share_id}", p.tokenAuth(p.updateShare)).Methods("PUT")
p.router.HandleFunc("/ocs/v2.php/apps/files_sharing/api/v1/remote_shares", p.tokenAuth(p.getRemoteShares)).Methods("GET")
p.router.HandleFunc("/ocs/v2.php/apps/files_sharing/api/v1/remote_shares/{share_id}", p.tokenAuth(p.getShare)).Methods("GET")
p.router.HandleFunc("/ocs/v2.php/apps/files_sharing/api/v1/remote_shares/{share_id}", p.tokenAuth(p.deleteShare)).Methods("DELETE")
p.router.HandleFunc("/ocs/v2.php/apps/files_sharing/api/v1/remote_shares/{share_id}", p.tokenAuth(p.updateShare)).Methods("PUT")
p.router.HandleFunc("/ocs/v2.php/apps/files_sharing/api/v1/sharees", p.tokenAuth(p.search)).Methods("GET")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/shares", p.tokenAuth(p.getShares)).Methods("GET")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/shares", p.tokenAuth(p.createShare)).Methods("POST")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/shares/{share_id}", p.tokenAuth(p.getShare)).Methods("GET")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/shares/{share_id}", p.tokenAuth(p.deleteShare)).Methods("DELETE")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/shares/{share_id}", p.tokenAuth(p.updateShare)).Methods("PUT")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/shares/pending/{share_id}", p.tokenAuth(p.acceptShare)).Methods("POST")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/shares/pending/{share_id}", p.tokenAuth(p.rejectShare)).Methods("DELETE")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/remote_shares", p.tokenAuth(p.getRemoteShares)).Methods("GET")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/remote_shares/{share_id}", p.tokenAuth(p.getShare)).Methods("GET")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/remote_shares/{share_id}", p.tokenAuth(p.deleteShare)).Methods("DELETE")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/remote_shares/{share_id}", p.tokenAuth(p.updateShare)).Methods("PUT")
p.router.HandleFunc("/ocs/v1.php/apps/files_sharing/api/v1/sharees", p.tokenAuth(p.search)).Methods("GET")
// public link routes
p.router.HandleFunc("/index.php/s/{token}", p.renderPublicLink).Methods("GET", "POST")
p.router.HandleFunc("/index.php/s/{token}/download", p.plAuth(p.downloadArchivePL)).Methods("GET")
p.router.HandleFunc("/index.php/apps/files_sharing/ajax/publicpreview.php", p.tokenAuth(p.getPublicPreview)).Methods("GET")
// app routes
p.router.HandleFunc("/index.php/apps/files_texteditor/ajax/loadfile", p.tokenAuth(p.loadFile)).Methods("GET")
p.router.HandleFunc("/index.php/apps/files_texteditor/ajax/savefile", p.tokenAuth(p.saveFile)).Methods("PUT")
p.router.HandleFunc("/index.php/apps/files/ajax/download.php", p.tokenAuth(p.downloadArchive)).Methods("GET")
p.router.HandleFunc("/index.php/apps/files/ajax/getstoragestats.php", p.tokenAuth(p.getStorageStats)).Methods("GET")
p.router.HandleFunc("/index.php/apps/eosinfo/getinfo", p.tokenAuth(p.getEOSInfo)).Methods("POST")
p.router.HandleFunc("/index.php/apps/files_eostrashbin/ajax/list.php", p.tokenAuth(p.listTrashbin)).Methods("GET")
p.router.HandleFunc("/index.php/apps/files_eostrashbin/ajax/undelete.php", p.tokenAuth(p.restoreTrashbin)).Methods("POST")
p.router.HandleFunc("/index.php/apps/files_eosversions/ajax/getVersions.php", p.tokenAuth(p.getVersions)).Methods("GET")
p.router.HandleFunc("/index.php/apps/files_eosversions/ajax/rollbackVersion.php", p.tokenAuth(p.rollbackVersion)).Methods("GET")
p.router.HandleFunc("/index.php/apps/files_eosversions/download.php", p.tokenAuth(p.downloadVersion)).Methods("GET")
// avatars
p.router.HandleFunc("/index.php/avatar/{username}/{size}", p.tokenAuth(p.getAvatar)).Methods("GET")
p.router.HandleFunc("/index.php/apps/files_sharing/api/externalShares", p.tokenAuth(p.getExternalShares)).Methods("GET")
// project spaces
p.router.HandleFunc("/index.php/apps/files_projectspaces/ajax/personal_list.php", p.tokenAuth(p.getPersonalProjects)).Methods("GET")
// wopi routes
p.router.HandleFunc("/index.php/apps/wopiviewer/config", p.getWopiConfig).Methods("GET")
p.router.HandleFunc("/index.php/apps/wopiviewer/open", p.tokenAuth(p.wopiOpen)).Methods("POST")
p.router.HandleFunc("/index.php/apps/wopiviewer/publicopen", p.tokenAuth(p.wopiPublicOpen)).Methods("POST")
// swan routes
p.router.HandleFunc("/index.php/apps/swanviewer/eosinfo", p.tokenAuth(p.swanEosInfo)).Methods("GET")
p.router.HandleFunc("/index.php/apps/swanviewer/load", p.tokenAuth(p.swanLoad)).Methods("GET")
p.router.HandleFunc("/index.php/apps/swanviewer/publicload", p.tokenAuth(p.swanPublicLoad)).Methods("GET")
// drawio routes
p.router.HandleFunc("/index.php/apps/drawio/ajax/settings", p.drawioSettings).Methods("GET")
// mailer routes
p.router.HandleFunc("/index.php/apps/mailer/sendmail", p.tokenAuth(p.sendMail)).Methods("POST")
// rootviewer routes
p.router.HandleFunc("/index.php/apps/rootviewer/load", p.tokenAuth(p.loadRootFile))
p.router.HandleFunc("/index.php/apps/rootviewer/publicload", p.tokenAuth(p.loadPublicRootFile))
p.router.HandleFunc("/index.php/apps/onlyoffice/ajax/settings", p.tokenAuth(p.onlyOfficeSettings))
p.router.HandleFunc("/index.php/apps/onlyoffice/ajax/config/{path:.*}", p.tokenAuth(p.onlyOfficeConfig))
p.router.HandleFunc("/index.php/apps/onlyoffice/ajax/configpublic", p.tokenAuth(p.onlyOfficePublicLinkConfig)).Methods("POST")
p.router.HandleFunc("/index.php/apps/onlyoffice/storage/track/{path:.*}", p.tokenAuth(p.onlyOfficeTrack)).Methods("POST")
p.router.HandleFunc("/index.php/apps/onlyoffice/storage/trackpublic/{token:.*}", p.tokenAuth(p.onlyOfficePublickLinkTrack)).Methods("POST")
p.router.HandleFunc("/index.php/apps/onlyoffice/storage/download/{path:.*}", p.tokenAuth(p.onlyOfficeDownload)).Methods("GET")
p.router.HandleFunc("/index.php/apps/onlyoffice/ajax/new", p.tokenAuth(p.onlyOfficeNew)).Methods("POST")
p.router.HandleFunc("/index.php/apps/onlyoffice/config", p.onlyOfficeMainConfig).Methods("GET")
p.router.HandleFunc("/index.php/apps/collabora/new", p.tokenAuth(p.collaboraNew)).Methods("POST")
// gant routes
p.router.HandleFunc("/index.php/apps/gantt/config", p.getGanttConfig).Methods("GET")
// search route (mockup)
p.router.HandleFunc("/index.php/core/search", p.searchFile).Methods("GET")
// configure the correct office engine
p.router.HandleFunc("/index.php/apps/office", p.tokenAuth(p.getOfficeEngine)).Methods("GET")
p.router.HandleFunc("/index.php/apps/office", p.tokenAuth(p.setOfficeEngine)).Methods("POST")
// show otg
p.router.HandleFunc("/index.php/apps/cboxotg/getotg", p.getOTG).Methods("GET")
p.router.HandleFunc("/index.php/settings/personal", p.return200).Methods("GET")
p.router.HandleFunc("/ocs/v2.php/apps/notifications/api/v1/notifications", p.return200).Methods("GET")
p.router.HandleFunc("/ocs/v1.php/config", p.return200).Methods("GET")
}
func (p *proxy) return200(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
}
func (p *proxy) getGanttConfig(w http.ResponseWriter, r *http.Request) {
settings := fmt.Sprintf(`
{
"viewer-server": "%s",
"formats": [{
"mime": "application/x-gantt",
"type": "project"
}]
}
`, p.ganttServer)
w.Write([]byte(settings))
}
const (
trackerStatusNotFound int = iota
trackerStatusEditing
trackerStatusMustSave
trackerStatusCorrupted
trackerStatusClosed
trackerStatusEditingMustSave = iota + 1
trackerStatusForceSavingError
)
// see https://api.onlyoffice.com/editors/callback
type callbackRequest struct {
Actions []struct {
Type int `json:"type"`
Userid string `json:"userid"`
} `json:"actions"`
ChangesURL string `json:"changesurl"`
History interface{} `json:"history"`
Key string `json:"key"`
Status int `json:"status"`
URL string `json:"url"`
Users []string `json:"users"`
ForceSaveURL int `json:"forcesaveurl"`
}
/*
$entry = [];
$entry['id'] = $i['fileid'];
$entry['parentId'] = $i['parent'];
$entry['mtime'] = $i['mtime'] * 1000;
// only pick out the needed attributes
$entry['name'] = $i->getName();
$entry['permissions'] = $i['permissions'];
$entry['mimetype'] = $i['mimetype'];
$entry['size'] = $i['size'];
$entry['type'] = $i['type'];
$entry['etag'] = $i['etag'];
if (isset($i['tags'])) {
$entry['tags'] = $i['tags'];
}
if (isset($i['displayname_owner'])) {
$entry['shareOwner'] = $i['displayname_owner'];
}
if (isset($i['is_share_mount_point'])) {
$entry['isShareMountPoint'] = $i['is_share_mount_point'];
}
$mountType = null;
if ($i->isShared()) {
$mountType = 'shared';
} elseif ($i->isMounted()) {
$mountType = 'external';
}
if ($mountType !== null) {
if ($i->getInternalPath() === '') {
$mountType .= '-root';
}
$entry['mountType'] = $mountType;
}
if (isset($i['extraData'])) {
$entry['extraData'] = $i['extraData'];
}
return $entry;
*/
type ocFileInfo struct {
Size int `json:"size"`
FileType string `json:"type"`
Etag string `json:"etag"`
Id string `json:"id"`
Mtime int `json:"mtime"`
Mime string `json:"mime"`
Name string `json:"name"`
}
func (p *proxy) onlyOfficeNew(w http.ResponseWriter, r *http.Request) {
p.officeNew("var/www/html/cernbox/apps/onlyoffice/assets/en/", w, r)
}
func (p *proxy) collaboraNew(w http.ResponseWriter, r *http.Request) {
p.officeNew("var/www/html/cernbox/apps/collabora/assets/", w, r)
}
func (p *proxy) officeNew(assetPath string, w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
err := r.ParseForm()
if err != nil {
err = errors.Wrap(err, "error reading form")
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
dir := r.Form.Get("dir")
name := r.Form.Get("name")
fn := path.Join(dir, name)
revaPath := p.getRevaPath(ctx, fn)
gCtx := GetContextWithAuth(ctx)
mdRes, err := p.getStorageClient().Inspect(gCtx, &reva_api.PathReq{Path: revaPath})
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if mdRes.Status == reva_api.StatusCode_OK {
// File already exists
w.WriteHeader(http.StatusPreconditionFailed)
return
}
newFile := "new" + path.Ext(fn)
data, err := static.Asset(assetPath + newFile)
if err != nil {
p.logger.Error(err.Error())
w.WriteHeader(http.StatusInternalServerError)
return
}
// write to file
txInfoRes, err := p.getStorageClient().StartWriteTx(gCtx, &reva_api.EmptyReq{})
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if txInfoRes.Status != reva_api.StatusCode_OK {
p.writeError(txInfoRes.Status, w, r)
return
}
txInfo := txInfoRes.TxInfo
stream, err := p.getStorageClient().WriteChunk(gCtx)
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
// TODO(labkode); adjust buffer size to maximun opening file fize
buffer := make([]byte, 1024*1024*3)
offset := uint64(0)
numChunks := uint64(0)
reader := bytes.NewReader(data)
for {
n, err := reader.Read(buffer)
if n > 0 {
dc := &reva_api.TxChunk{
TxId: txInfo.TxId,
Length: uint64(n),
Data: buffer,
Offset: offset,
}
if err := stream.Send(dc); err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
numChunks++
offset += uint64(n)
}
if err == io.EOF {
break
}
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
}
writeSummaryRes, err := stream.CloseAndRecv()
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if writeSummaryRes.Status != reva_api.StatusCode_OK {
p.writeError(writeSummaryRes.Status, w, r)
return
}
// all the chunks have been sent, we need to close the tx
emptyRes, err := p.getStorageClient().FinishWriteTx(gCtx, &reva_api.TxEnd{Path: revaPath, TxId: txInfo.TxId})
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if emptyRes.Status != reva_api.StatusCode_OK {
p.writeError(emptyRes.Status, w, r)
return
}
// set fileinfo output
md, err := p.getMetadata(ctx, revaPath)
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
info := &ocFileInfo{
Id: md.Id,
Size: int(md.Size),
Mtime: int(md.Mtime),
Mime: md.Mime,
Etag: md.Etag,
Name: path.Base(md.Path),
}
if md.IsDir {
info.FileType = "dir"
} else {
info.FileType = "file"
}
encoded, err := json.Marshal(info)
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.Write(encoded)
}
func (p *proxy) onlyOfficeTrack(w http.ResponseWriter, r *http.Request) {
p.onlyOfficeTrackInternal(w, r, false)
}
func (p *proxy) onlyOfficePublickLinkTrack(w http.ResponseWriter, r *http.Request) {
p.onlyOfficeTrackInternal(w, r, true)
}
func (p *proxy) onlyOfficeTrackInternal(w http.ResponseWriter, r *http.Request, public bool) {
ctx := r.Context()
var fn string
if public {
token := mux.Vars(r)["token"]
fn = r.URL.Query().Get("filename")
pl, ok := reva_api.ContextGetPublicLink(ctx)
if !ok {
p.logger.Warn("ocproxy: api: cannot get public link from ctx")
w.WriteHeader(http.StatusInternalServerError)
return
}
if pl.Token != token {
p.logger.Warn("ocproxy: api: pl ctx does not match requested token", zap.String("req_token", token), zap.String("ctx_token", pl.Token))
w.WriteHeader(http.StatusBadRequest)
return
}
if pl.ReadOnly {
w.WriteHeader(http.StatusBadRequest)
return
}
} else {
fn = mux.Vars(r)["path"]
}
revaPath := p.getRevaPath(ctx, fn)
md, err := p.getMetadata(ctx, revaPath)
if err != nil {
p.logger.Error("onlyoffice: error stating file "+fn, zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
data, err := ioutil.ReadAll(r.Body)
if err != nil {
p.logger.Error("onlyoffice: error reading request body", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
req := &callbackRequest{}
if err := json.Unmarshal(data, req); err != nil {
p.logger.Error("onlyoffice: error unmarsharing request body payload to json", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
p.logger.Info(fmt.Sprintf("onlyoffice/track: %+v", req), zap.String("path", revaPath))
// 1st case: OO closed without changes
// just unlock the file
if req.Status == trackerStatusClosed {
payload := struct {
Err int `json:"error"`
}{
Err: 0,
}
encoded, err := json.Marshal(payload)
if err != nil {
p.logger.Error("onlyoffice: error encoding to json", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if req.Status == trackerStatusClosed {
ok := p.unlockWopi(ctx, revaPath)
if !ok {
p.logger.Error("onlyoffice: error removing session", zap.Error(err))
// should we abort here? what we risk if doc is closed but we keep the lock open? it should expire by itself.
}
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusOK)
if _, err := w.Write(encoded); err != nil {
p.logger.Error("onlyoffice: error writing payload 'ok' to onlyoffice", zap.Error(err))
}
return
}
// Has a conflict been created?
// Also create a version if the lock was removed, just to be safe
status, _ := p.getLockWopi(md)
if status == 1 {
p.logger.Info("onlyoffice: error getting wopi lock")
w.WriteHeader(http.StatusInternalServerError)
return
}
conflict := status == http.StatusConflict || status == http.StatusNotFound
// 2nd case: still editing the file
// If conflict, give error
// 3rd case: request to save but a conflict was detected
if req.Status == trackerStatusEditing || (req.Status == trackerStatusEditingMustSave && conflict) {
errorCode := 0
msg := ""
if conflict {
errorCode = 1
msg = "File modified outside OnlyOffice"
p.logger.Warn("onlyoffice: file modified outside onlyoffice")
w.WriteHeader(http.StatusConflict)
} else {
succeeded, _ := p.lockWopi(md)
if !succeeded {
p.logger.Error("onlyoffice: error creating wopi lock")
w.WriteHeader(http.StatusBadRequest)
return
}
w.WriteHeader(http.StatusOK)
}
payload := struct {
Err int `json:"error"`
Message string `json:"message"`
}{
Err: errorCode,
Message: msg,
}
encoded, err := json.Marshal(payload)
if err != nil {
p.logger.Error("onlyoffice: error encoding json payload", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Write(encoded)
return
}
// All other cases: save the file
// If a conflict was detected, save in a different file
// Unlock the file once saved
if req.Status == trackerStatusMustSave || req.Status == trackerStatusCorrupted || req.Status == trackerStatusEditingMustSave || req.Status == trackerStatusForceSavingError {
url := req.URL
// verify url is not empty
if url == "" {
p.logger.Error(fmt.Sprintf("onlyoffice: url to fetch changes from onlyoffice server is empty"))
w.WriteHeader(http.StatusInternalServerError)
return
}
resp, err := http.Get(url)
if err != nil {
p.logger.Error(fmt.Sprintf("onlyoffice: Error while getting file from OO. (GET %s)", url), zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if resp.StatusCode != http.StatusOK {
p.logger.Error("onlyoffice: Retrieving file from OnlyOffice returned status not OK.", zap.Int("Status", resp.StatusCode))
payload := struct {
Err int `json:"error"`
Message string `json:"message"`
}{
Err: 1,
Message: "error downloading file from url",
}
encoded, err := json.Marshal(payload)
if err != nil {
p.logger.Error("onlyoffice: error encoding json payload", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusInternalServerError)
w.Write(encoded)
return
}
// verify that contents of remote url are not empty (0-size files).
// A blank office documents still has a size of a few kilobytes.
if resp.ContentLength == 0 {
p.logger.Error("onlyoffice: body is zero bytes, onlyoffice is giving us a zero size file", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if resp.ContentLength == -1 {
p.logger.Error("onlyoffice: remote file size is unkown")
w.WriteHeader(http.StatusInternalServerError)
return
}
p.logger.Info(fmt.Sprintf("onlyoffice: the remote file stored in onlyoffice has a size of %d bytes", resp.ContentLength))
// write to file
gCtx := GetContextWithAuth(ctx)
txInfoRes, err := p.getStorageClient().StartWriteTx(gCtx, &reva_api.EmptyReq{})
if err != nil {
p.logger.Error("onlyoffice: error starting write tx", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if txInfoRes.Status != reva_api.StatusCode_OK {
p.writeError(txInfoRes.Status, w, r)
return
}
txInfo := txInfoRes.TxInfo
stream, err := p.getStorageClient().WriteChunk(gCtx)
if err != nil {
p.logger.Error("onlyoffice: error writing tx chunk", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
// TODO(labkode); adjust buffer size to maximun opening file fize
buffer := make([]byte, 1024*1024*3)
offset := uint64(0)
numChunks := uint64(0)
reader := resp.Body
for {
n, err := reader.Read(buffer)
if n > 0 {
dc := &reva_api.TxChunk{
TxId: txInfo.TxId,
Length: uint64(n),
Data: buffer,
Offset: offset,
}
if err := stream.Send(dc); err != nil {
p.logger.Error("onlyoffice: error sending data to revad", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
numChunks++
offset += uint64(n)
}
if err == io.EOF {
break
}
if err != nil {
p.logger.Error("onlyoffice: error sending data to revad", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
}
writeSummaryRes, err := stream.CloseAndRecv()
if err != nil {
p.logger.Error("onlyoffice: error closing write stream", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if writeSummaryRes.Status != reva_api.StatusCode_OK {
p.writeError(writeSummaryRes.Status, w, r)
return
}
// all the chunks have been sent, we need to close the tx
// If there was a conflict, save in a new file with the current date
newRevaPath := revaPath
if conflict {
extension := filepath.Ext(newRevaPath)
dt := time.Now()
newRevaPath = fmt.Sprintf("%s.conflict_%s%s", newRevaPath[0:len(newRevaPath)-len(extension)], dt.Format("01022006_150405"), extension)
p.logger.Warn("onlyoffice: A conflict was detected. Saving the file with a different name: " + newRevaPath)
}
emptyRes, err := p.getStorageClient().FinishWriteTx(gCtx, &reva_api.TxEnd{Path: newRevaPath, TxId: txInfo.TxId})
if err != nil {
p.logger.Error("onlyoffice: error finishing write tx", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if emptyRes.Status != reva_api.StatusCode_OK {
p.writeError(emptyRes.Status, w, r)
return
}
payload := struct {
Err int `json:"error"`
}{
Err: 0,
}
encoded, err := json.Marshal(payload)
if err != nil {
p.logger.Error("onlyoffice: error encoding json payload", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
// If the save was called after the file being closed, unlock.
// Otherwise, refresh the lock
if req.Status == trackerStatusMustSave || req.Status == trackerStatusCorrupted {
if ok := p.unlockWopi(ctx, revaPath); !ok {
p.logger.Error("onlyoffice: unlocking wopi")
// abort?
}
} else { // req.Status == trackerStatusEditingMustSave || req.Status == trackerStatusCorrupted
succeeded, _ := p.lockWopi(md)
if !succeeded {
p.logger.Error("onlyoffice: error creating wopi lock after save operation")
w.WriteHeader(http.StatusBadRequest)
return
}
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.Write(encoded)
return
}
//ONLYOFFICE: {"key":"65020dfd-cd75-42b1-a118-a0886f1669c8","status":2,"url":"https://cbox-wopi-01.cern.ch:9443/cache/files/65020dfd-cd75-42b1-a118-a0886f1669c8_4907/output.pptx/output.pptx?md5=8q6RMPp1L17mQE7OdDPfdQ==&expires=1543412647&disposition=attachment&ooname=output.pptx","changesurl":"https://cbox-wopi-01.cern.ch:9443/cache/files/65020dfd-cd75-42b1-a118-a0886f1669c8_4907/changes.zip/changes.zip?md5=9HDBPxh1BKUpXqRpPR46Uw==&expires=1543412647&disposition=attachment&ooname=output.zip","history":{"serverVersion":"5.2.3","changes":[{"created":"2018-11-28 13:26:51","user":{"id":"gonzalhu","name":"Hugo Gonzalez Labrador,31 1-002,+41227663986, ()"}}]},"users":["gonzalhu"],"actions":[{"type":0,"userid":"gonzalhu"}],"lastsave":"2018-11-28T13:28:00.417Z","notmodified":false}
p.logger.Warn("Unknown status")
w.WriteHeader(http.StatusBadRequest)
return
}
func (p *proxy) unlockWopi(ctx context.Context, revaPath string) bool {
// Unlock the file
tr := &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
client := &http.Client{Transport: tr}
url := fmt.Sprintf("%s/cbox/unlock", p.wopiServer)
req, err := http.NewRequest("POST", url, nil)
if err != nil {
p.logger.Error("", zap.Error(err))
return false
}
md, err := p.getMetadata(ctx, revaPath)
if err != nil {
p.logger.Error("", zap.Error(err))
return false
}
q := req.URL.Query()
q.Add("filename", md.EosFile)
q.Add("endpoint", md.EosInstance)
req.URL.RawQuery = q.Encode()
req.Header.Set("authorization", fmt.Sprintf("Bearer %s", p.wopiSecret))
res, err := client.Do(req)
if err != nil {
p.logger.Error("", zap.Error(err))
return false
}
if res.StatusCode != http.StatusOK {
p.logger.Error("error calling wopi at /cbox/unlock", zap.Int("status", res.StatusCode))
return false
}
p.logger.Info("File unlocked in WOPI", zap.String("file", md.EosFile))
return true
}
func (p *proxy) onlyOfficeDownload(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
fn := mux.Vars(r)["path"]
revaPath := p.getRevaPath(ctx, fn)
//md, err := p.getMetadata(ctx, revaPath)
//if err != nil {
// p.logger.Error("", zap.Error(err))
// w.WriteHeader(http.StatusInternalServerError)
// return
//}
gCtx := GetContextWithAuth(ctx)
pathReq := &reva_api.PathReq{Path: revaPath}
stream, err := p.getStorageClient().ReadFile(gCtx, pathReq)
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusOK)
for {
dcRes, err := stream.Recv()
if err == io.EOF {
break
}
if err != nil {
p.logger.Error("onlyoffice: retrieve file error", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
if dcRes.Status != reva_api.StatusCode_OK {
p.writeError(dcRes.Status, w, r)
return
}
dc := dcRes.DataChunk
if dc != nil {
if dc.Length > 0 {
w.Write(dc.Data)
} else {
p.logger.Error("onlyoffice: retrieve file error: empty chunk")
}
} else {
p.logger.Error("onlyoffice: retrieve file error: nil data chunk")
}
}
}
func (p *proxy) onlyOfficeGetDocumentType(ext string) string {
msg := `{"formats":{"docx":{"mime":"application\/vnd.openxmlformats-officedocument.wordprocessingml.document","type":"text","edit":true,"def":true},"xlsx":{"mime":"application\/vnd.openxmlformats-officedocument.spreadsheetml.sheet","type":"spreadsheet","edit":true,"def":true},"pptx":{"mime":"application\/vnd.openxmlformats-officedocument.presentationml.presentation","type":"presentation","edit":true,"def":true},"ppsx":{"mime":"application\/vnd.openxmlformats-officedocument.presentationml.slideshow","type":"presentation","edit":true,"def":true},"txt":{"mime":"text\/plain","type":"text","edit":true,"def":false},"csv":{"mime":"text\/csv","type":"spreadsheet","edit":true,"def":false},"odt":{"mime":"application\/vnd.oasis.opendocument.text","type":"text","edit":false,"def":false},"ods":{"mime":"application\/vnd.oasis.opendocument.spreadsheet","type":"spreadsheet","edit":false,"def":false},"odp":{"mime":"application\/vnd.oasis.opendocument.presentation","type":"presentation","edit":false,"def":false},"doc":{"mime":"application\/msword","type":"text","conv":true},"xls":{"mime":"application\/vnd.ms-excel","type":"spreadsheet","conv":true},"ppt":{"mime":"application\/vnd.ms-powerpoint","type":"presentation","conv":true},"pps":{"mime":"application\/vnd.ms-powerpoint","type":"presentation","conv":true},"epub":{"mime":"application\/epub+zip","type":"text","conv":true},"rtf":{"mime":"text\/rtf","type":"text","conv":true},"mht":{"mime":"message\/rfc822","conv":true},"html":{"mime":"text\/html","type":"text","conv":true},"htm":{"mime":"text\/html","type":"text","conv":true},"xps":{"mime":"application\/vnd.ms-xpsdocument","type":"text"},"pdf":{"mime":"application\/pdf","type":"text"},"djvu":{"mime":"image\/vnd.djvu","type":"text"}},"sameTab": true}`
settings := &onlyOfficeSettings{}
if err := json.Unmarshal([]byte(msg), settings); err != nil {
return ""
}
if docFormat := settings.Formats[ext]; docFormat != nil {
return docFormat.Type
}
return "httpd/unix-directory"
}
func (p *proxy) onlyOfficeConfig(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
accessToken, _ := reva_api.ContextGetAccessToken(ctx)
fn := mux.Vars(r)["path"]
revaPath := p.getRevaPath(ctx, fn)
md, err := p.getMetadata(ctx, revaPath)
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
fileType := strings.TrimPrefix(path.Ext(revaPath), ".")
title := path.Base(md.Path)
documentType := p.onlyOfficeGetDocumentType(fileType) // spreadsheet or text
callbackUrl := fmt.Sprintf("https://%s/index.php/apps/onlyoffice/storage/track%s?x-access-token=%s", p.hostname, md.Path, accessToken)
goBackUrl := fmt.Sprintf("https://%s/index.php/apps/files/?dir=%s", p.overwriteHost, path.Dir(fn))
lang := "en"
mode := "edit"
var sessionID string
if md.IsReadOnly {
mode = "view"
// If the file is open by someone, show that session to the user
status, session := p.getLockWopi(md)
if status == http.StatusOK {
sessionID = session
}
} else {
locked, session := p.lockWopi(md)
sessionID = session
if !locked {
title += " (locked by another app)"
mode = "view"
}
}
user, _ := reva_api.ContextGetUser(ctx)
userId := user.AccountId
displayName := user.DisplayName
// If there's no session, no file is open, so open the latest version always
// This way, in RO, we always open the same file or the latest being edited
var key string
if sessionID == "" {
key = md.Id
// if migration id set, use it
if md.MigId != "" {
key = md.MigId
}
} else {
gCtx := GetContextWithAuth(ctx)
// key cannot contain colon (:), use . as separator
key, err = p.getVersionFolderID(gCtx, revaPath)
if err != nil {
p.logger.Error("", zap.Error(err))
w.WriteHeader(http.StatusInternalServerError)
return
}
key = fmt.Sprintf("%s.%s", key, sessionID)
}
key = strings.Replace(key, ":", ".", -1)
p.logger.Info("office-engine onlyoffice config", zap.String("key", key), zap.String("sessionID", sessionID), zap.String("path", fn), zap.String("md", fmt.Sprintf("%+v", md)))
url := fmt.Sprintf("https://%s/index.php/apps/onlyoffice/storage/download%s?x-access-token=%s", p.hostname, md.Path, accessToken)
msg := `{
"document": {
"fileType": "%s",
"key": "%s",
"title": "%s",
"url": "%s"
},
"documentType": "%s",